diff --git a/esphome/dashboard/dashboard.py b/esphome/dashboard/dashboard.py
index 950386d969..2373030447 100644
--- a/esphome/dashboard/dashboard.py
+++ b/esphome/dashboard/dashboard.py
@@ -1068,6 +1068,7 @@ async def _async_ping_host(host: str) -> bool:
         stdin=asyncio.subprocess.DEVNULL,
         stdout=asyncio.subprocess.DEVNULL,
         stderr=asyncio.subprocess.DEVNULL,
+        close_fds=False,  # Required for posix_spawn
     )
     await process.wait()
     return process.returncode == 0